Typical measured speed is 54 Mbps down and 13 Mbps up, 47% below the UK download average. 11 providers offer 46 broadband deals, up to 80 Mbps.
Deals for St Martin's (TR25), checked and refreshed daily.
Cheapest broadband deal in St Martin's (TR25)
The cheapest deal in St Martin's (TR25) is Fibre 40 from Onestream at £18.50 a month for 40 Mbps. POP Telecom is essentially level at £22.25 a month. Well below the UK average, which shows on a busy evening.
Cheapest in St Martin's (TR25)
£18.50/mo
rises to £21.25 in April 2027 (+£2.75)
Runner-up on price
£21/mo
rises to £24 in April 2027 (+£3)
Fastest broadband deal in St Martin's (TR25)
The fastest deal available in St Martin's (TR25) is Fast Fibre 80 from V4 Consumer at 80 Mbps. Onestream matches it at the same top speed. Below the UK average on download.
Fastest in St Martin's (TR25)
£0/mo
for 1 month, then £31.99/mo
Runner-up on speed
£21.50/mo
rises to £24.25 in April 2027 (+£2.75)
Compare broadband deals in St Martin's (TR25)
£24/mo
No rises, no surprises.
£23/mo
No rises, no surprises.
£24.99/mo
rises to £28.99 in March 2027 (+£4)
£21/mo
rises to £24 in April 2027 (+£3)
Broadband providers in St Martin's (TR25)
11 providers serve St Martin's (TR25) including Sky, BT and Vodafone, with Onestream the fastest at 80 Mbps.
Ranked by Ofcom complaints per 100,000 customers, fewest first. A down arrow is below the industry average, up is above, and a dash means Ofcom publishes no figure for that provider (usually because it is below Ofcom's 1.5% market-share reporting threshold). A small diagonal arrow shows the past-year trend (↘ improving, ↗ getting worse).
Ofcom records the typical St Martin's (TR25) download speed at 54 Mbps.
Is your broadband good enough?
The typical St Martin's (TR25) line runs 54 Mbps.
Working from home
OKStreaming and family use
OKWhat speeds are people actually getting?
Gigabit reaches 0% of St Martin's (TR25), and the fastest available is 80 Mbps. The full split by band is below.
What broadband coverage does St Martin's (TR25) have?
Superfast broadband reaches 100% of St Martin's (TR25) premises but gigabit only 0%, so around 100% of homes can get fast broadband but not the fastest.
How St Martin's (TR25) compares within Isles of Scilly
Across 5 postcode districts in Isles of Scilly, by connection count, typical speed and gigabit coverage.
Nearby areas
Frequently asked questions
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Speed and coverage figures for St Martin's (TR25)come from Ofcom's Connected Nations data, current to January 2026. Deal prices are pulled live from providers. Compiled by the FindBroadband team. See how we rank and source our data.